Science shows way to project. - Research in concrete opens lane for mighty barrier in Columbia. - The improvements in equipment, perfection of materials, and research into many fields have made possible the Grand coulee dam, a structure much larger...

Science shows way to project. - Research in concrete opens lane for mighty barrier in Columbia. - The improvements in equipment, perfection of materials, and research into many fields have made possible the Grand coulee dam, a structure much larger...

Catwalk defeats Columbia. - When approaching high water in the Columbia river caused the Mason-Walsh-Atkinson-Kier company, general contractors on the Grand coulee dam, to abandon and dismantle their trestle bridge for foot passengers, they made it...

Original Americans. - When an Indian killed a deer or caught a fish he ate it, would be the assertion of these Nez Perces, but when the white man, by great effort, gets any kind of a take, he puts it on exhibition. So this band of aborigines plans...

Science shows way to project. - Research in concrete opens lane for mighty barrier in Columbia. - The improvements in equipment, perfection of materials, and research into many fields have made possible the Grand coulee dam, a structure much larger...